Play it safe when shipping explosive substances with Labelmaster's Explosive Class 1.4 Placards. These display the Division Number, which is the classification code for an explosive. The Compatibility Group Letter, which categorizes the type of explosive substance or article may need to be added to be in compliance. These Hazard Class 1.4 placards are designed to meet all 49 CFR DOT Placard specifications for color and size. They are made of rigid, long-lasting vinyl and are ideal for multiple trips and in harsh weather conditions. Orange and black, the placards measure 273 x 273mm, can be used in Slidemaster holders and are sold in packs of 25 or cases of 500.